Pen shell (Taira-gai)

Name (Japanese) Pen Shell (Taira-gai / タイラガイ / 平貝)
Overall Rating Flavor: ★★★★☆
Texture: ★★★★☆
Popularity: ★★★★☆
Reference Price Value: ★★★☆☆
Price range: $20~$50/lb
Best Season Spring to early summer
Did You Know? Once used in Edo-style sushi, now a luxury due to declining populations.
Category Details
1. Overview Official Name: Tairagi (タイラギ)
Kanji Name: 平貝 (Taira-gai)
English Name: Pen Shell, Fan Shell, Razor Clam
Scientific Name: Atrina pectinata
Classification:
• Kingdom: Animalia
• Phylum: Mollusca
• Class: Bivalvia
• Order: Pteriida
• Family: Pinnidae
• Genus: Atrina
• Species: A. pectinata
Average Size: Shell 15–25 cm
Key Features: Large triangular shell; tender, slightly sweet flesh; valued for sushi and sashimi
2. Habitat & Distribution Found in shallow sandy or muddy seabeds.
Commonly distributed around Japan, Korea, and China.
Harvested seasonally, often by divers.
3. Seasonality Best season is spring to early summer.
Flesh is plump and sweet during this time.
4. Sushi Ingredient Profile Common Uses: Sashimi, nigiri, grilled
Flavor: Mildly sweet, delicate ocean taste
Texture: Tender, slightly chewy
Fat Content: Low; clean and light flavor
5. Preparation & Craftsmanship Often served raw as sashimi or sushi.
Light grilling enhances natural sweetness.
Requires careful handling due to delicate flesh.
6. Recommended Pairings Sushi Rice: Mildly seasoned with vinegar
Condiments: Wasabi, soy sauce, citrus (yuzu, sudachi)
Drinks: Dry sake, crisp white wine, light lager
7. Nutritional Information High in lean protein and minerals.
Rich in vitamin B12, magnesium, and selenium.
Low in calories; supports balanced nutrition.
8. Trivia & Cultural Notes Considered a seasonal delicacy in Japan.
Known for its elegant presentation in high-end sushi.
Its large shell is sometimes used decoratively.
9. Recommended Sushi Styles • Taira-gai nigiri
• Taira-gai sashimi
• Lightly grilled Taira-gai sushi
• Taira-gai sunomono (vinegared dish)

Other Information